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The Leonard P. Zakim Bunker Hill Memorial Bridge
Leonard P. Zakim Bunker山紀念大橋

The Leonard P. Zakim Bunker Hill Memorial Bridge (or Zakim Bridge) is a cable-stayed
bridge across the Charles River in Boston, Massachusetts. It is a replacement for the
Charlestown High Bridge, an older truss bridge constructed in the 1950s. Of ten lanes,
the main portion of the Zakim Bridge carries four lanes each way (northbound and
southbound) of the Interstate 93 and U.S. Route 1 concurrency between the Thomas
P. “Tip” O’Neill Jr. Tunnel and the elevated highway to the north. Two additional
lanes are cantilevered outside the cables, which carry northbound traffic from the Sumner
Tunnel and North End on-ramp. These lanes merge with the main highway north of the
bridge. I-93 heads toward New Hampshire as the “Northern Expressway”, and US 1
splits from the Interstate and travels northeast toward Massachusetts’ north shore,
crossing the Mystic River via the Tobin Bridge.

Leonard P. Zakim Bunker山紀念大橋是一座橫跨查爾斯河的斜張橋在波斯頓，替代
在20世紀50年代建造的就桁架橋─查爾斯高橋。橋上有十線道的車道，主要道路
是一向四道車道，路線1並發（北行及南行）。另外兩個車道的電纜，它搭載北
行的車輛從薩姆納隧道及北端匝道外懸臂式。車道主要與橋梁合併。I-93對新罕
布什爾州為「北高速公路」，與美國的州際公路1拆分頭和旅行朝東北部馬薩諸
塞州的北岸，通過托賓大橋穿越神秘河。

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Leonard P. Zakim Bunker山紀念大橋 ：http://www.gardenskill.com.tw/edm/civil/edmcivil07.html

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